Mark Zuckerberg

IMAGE DISTRIBUTED FOR AVAAZ - While Mark Zuckerberg prepares to testify before the Senate, 100 cardboard cutouts of the Facebook founder and CEO stand outside the U.S. Capitol in Washington on Tuesday, April 10, 2018. Advocacy group Avaaz is calling attention to hundreds of millions of fake accounts still spreading disinformation on Facebook, and calling for the social media giant to submit to an independent audit. (Kevin Wolf/AP images for AVAAZ)